Marto/VerySimpleCalculator
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minor fixes

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This commit is contained in:
Martin Vrhovšek 2025-01-12 22:35:16 +01:00
parent 5e55e32bf1
commit a663a88378
1 changed files with 6 additions and 3 deletions
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9
main.c
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@ -20,7 +20,7 @@ int main(const int argc, char *argv[]) {
//manipulate string by cutting of trailing zeros //manipulate string by cutting of trailing zeros
char* final_string = manipulate_str(res); char* final_string = manipulate_str(res);
printf("%s %s %s = %s", argv[1], argv[2], argv[3], final_string); printf("%s %s %s = %s\n", argv[1], argv[2], argv[3], final_string);
free(final_string); free(final_string);
return 0; return 0;
} }
@ -67,6 +67,8 @@ double calculate(const CalcStr calc) {
return calc.first * calc.second; return calc.first * calc.second;
case '/': case '/':
return calc.first / calc.second; return calc.first / calc.second;
case '%':
return (int)calc.first % (int)calc.second;
case '^': case '^':
double r = 1; double r = 1;
for (int i = (int)calc.second; i > 0; i--) { for (int i = (int)calc.second; i > 0; i--) {
@ -81,10 +83,11 @@ double calculate(const CalcStr calc) {
} }
char* manipulate_str(const double input) { char* manipulate_str(const double input) {
const int str_basesize = (int)log10(input) + 16 + 1; const int digit = abs((int)input) == 0 ? 1 : abs((int)input);
const int str_basesize = (int)log10(digit) + 16 + 1;
char *str = malloc(str_basesize * sizeof(char)); char *str = malloc(str_basesize * sizeof(char));
if (str == nullptr) { if (str == nullptr) {
printf("Failed to allocate the memory"); printf("Failed to allocate the memory\n");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
memset(str, 0, str_basesize); memset(str, 0, str_basesize);